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path: root/drivers/remoteproc/remoteproc_core.c
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Diffstat (limited to 'drivers/remoteproc/remoteproc_core.c')
-rw-r--r--drivers/remoteproc/remoteproc_core.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 25fd9733d5df..e75424b6314c 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -176,8 +176,7 @@ static void *rproc_da_to_va(struct rproc *rproc, u64 da, int len)
176/** 176/**
177 * rproc_load_segments() - load firmware segments to memory 177 * rproc_load_segments() - load firmware segments to memory
178 * @rproc: remote processor which will be booted using these fw segments 178 * @rproc: remote processor which will be booted using these fw segments
179 * @elf_data: the content of the ELF firmware image 179 * @fw: the ELF firmware image
180 * @len: firmware size (in bytes)
181 * 180 *
182 * This function loads the firmware segments to memory, where the remote 181 * This function loads the firmware segments to memory, where the remote
183 * processor expects them. 182 * processor expects them.
@@ -199,12 +198,13 @@ static void *rproc_da_to_va(struct rproc *rproc, u64 da, int len)
199 * supported, though. 198 * supported, though.
200 */ 199 */
201static int 200static int
202rproc_load_segments(struct rproc *rproc, const u8 *elf_data, size_t len) 201rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
203{ 202{
204 struct device *dev = &rproc->dev; 203 struct device *dev = &rproc->dev;
205 struct elf32_hdr *ehdr; 204 struct elf32_hdr *ehdr;
206 struct elf32_phdr *phdr; 205 struct elf32_phdr *phdr;
207 int i, ret = 0; 206 int i, ret = 0;
207 const u8 *elf_data = fw->data;
208 208
209 ehdr = (struct elf32_hdr *)elf_data; 209 ehdr = (struct elf32_hdr *)elf_data;
210 phdr = (struct elf32_phdr *)(elf_data + ehdr->e_phoff); 210 phdr = (struct elf32_phdr *)(elf_data + ehdr->e_phoff);
@@ -230,9 +230,9 @@ rproc_load_segments(struct rproc *rproc, const u8 *elf_data, size_t len)
230 break; 230 break;
231 } 231 }
232 232
233 if (offset + filesz > len) { 233 if (offset + filesz > fw->size) {
234 dev_err(dev, "truncated fw: need 0x%x avail 0x%x\n", 234 dev_err(dev, "truncated fw: need 0x%x avail 0x%x\n",
235 offset + filesz, len); 235 offset + filesz, fw->size);
236 ret = -EINVAL; 236 ret = -EINVAL;
237 break; 237 break;
238 } 238 }
@@ -819,8 +819,7 @@ rproc_handle_virtio_rsc(struct rproc *rproc, struct resource_table *table, int l
819/** 819/**
820 * rproc_find_rsc_table() - find the resource table 820 * rproc_find_rsc_table() - find the resource table
821 * @rproc: the rproc handle 821 * @rproc: the rproc handle
822 * @elf_data: the content of the ELF firmware image 822 * @fw: the ELF firmware image
823 * @len: firmware size (in bytes)
824 * @tablesz: place holder for providing back the table size 823 * @tablesz: place holder for providing back the table size
825 * 824 *
826 * This function finds the resource table inside the remote processor's 825 * This function finds the resource table inside the remote processor's
@@ -833,7 +832,7 @@ rproc_handle_virtio_rsc(struct rproc *rproc, struct resource_table *table, int l
833 * (and @tablesz isn't set). 832 * (and @tablesz isn't set).
834 */ 833 */
835static struct resource_table * 834static struct resource_table *
836rproc_find_rsc_table(struct rproc *rproc, const u8 *elf_data, size_t len, 835rproc_find_rsc_table(struct rproc *rproc, const struct firmware *fw,
837 int *tablesz) 836 int *tablesz)
838{ 837{
839 struct elf32_hdr *ehdr; 838 struct elf32_hdr *ehdr;
@@ -842,6 +841,7 @@ rproc_find_rsc_table(struct rproc *rproc, const u8 *elf_data, size_t len,
842 struct device *dev = &rproc->dev; 841 struct device *dev = &rproc->dev;
843 struct resource_table *table = NULL; 842 struct resource_table *table = NULL;
844 int i; 843 int i;
844 const u8 *elf_data = fw->data;
845 845
846 ehdr = (struct elf32_hdr *)elf_data; 846 ehdr = (struct elf32_hdr *)elf_data;
847 shdr = (struct elf32_shdr *)(elf_data + ehdr->e_shoff); 847 shdr = (struct elf32_shdr *)(elf_data + ehdr->e_shoff);
@@ -858,7 +858,7 @@ rproc_find_rsc_table(struct rproc *rproc, const u8 *elf_data, size_t len,
858 table = (struct resource_table *)(elf_data + offset); 858 table = (struct resource_table *)(elf_data + offset);
859 859
860 /* make sure we have the entire table */ 860 /* make sure we have the entire table */
861 if (offset + size > len) { 861 if (offset + size > fw->size) {
862 dev_err(dev, "resource table truncated\n"); 862 dev_err(dev, "resource table truncated\n");
863 return NULL; 863 return NULL;
864 } 864 }
@@ -1035,7 +1035,7 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
1035 rproc->bootaddr = ehdr->e_entry; 1035 rproc->bootaddr = ehdr->e_entry;
1036 1036
1037 /* look for the resource table */ 1037 /* look for the resource table */
1038 table = rproc_find_rsc_table(rproc, fw->data, fw->size, &tablesz); 1038 table = rproc_find_rsc_table(rproc, fw, &tablesz);
1039 if (!table) 1039 if (!table)
1040 goto clean_up; 1040 goto clean_up;
1041 1041
@@ -1047,7 +1047,7 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
1047 } 1047 }
1048 1048
1049 /* load the ELF segments to memory */ 1049 /* load the ELF segments to memory */
1050 ret = rproc_load_segments(rproc, fw->data, fw->size); 1050 ret = rproc_load_segments(rproc, fw);
1051 if (ret) { 1051 if (ret) {
1052 dev_err(dev, "Failed to load program segments: %d\n", ret); 1052 dev_err(dev, "Failed to load program segments: %d\n", ret);
1053 goto clean_up; 1053 goto clean_up;
@@ -1090,7 +1090,7 @@ static void rproc_fw_config_virtio(const struct firmware *fw, void *context)
1090 goto out; 1090 goto out;
1091 1091
1092 /* look for the resource table */ 1092 /* look for the resource table */
1093 table = rproc_find_rsc_table(rproc, fw->data, fw->size, &tablesz); 1093 table = rproc_find_rsc_table(rproc, fw, &tablesz);
1094 if (!table) 1094 if (!table)
1095 goto out; 1095 goto out;
1096 1096